Poor pour
#3
You could use a self leveling mix, which will cost you arm and leg. Or use some non-shrink grout, which is found by the concrete.
Example:
https://www.quikrete.com/productline...isiongrout.asp
Example:
https://www.quikrete.com/productline...isiongrout.asp
#4
There are a lot of low spots and swirl marks from the left by the machine,certainly not a finished floor.
Geo
Geo